package com.take.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.take.common.R;
import com.take.dto.SetmealDto;
import com.take.entity.Category;
import com.take.entity.Setmeal;
import com.take.service.CategoryService;
import com.take.service.SetmealDishService;
import com.take.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 套餐管理
 */
@Api(tags = "套餐管理模块")
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    @Autowired
    private SetmealDishService setmealDishService;

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @ApiOperation("新增套餐")
    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }

    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @ApiOperation("套餐分页查询")
    @GetMapping("/page")
    public R<Page> page(@RequestParam(name = "page", defaultValue = "1")int page,
                        @RequestParam(name = "pageSize", defaultValue = "5")int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getCreateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) -> {
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);
    }

    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @ApiOperation("删除套餐")
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);

        setmealService.removeWithDish(ids);

        return R.success("套餐数据删除成功");
    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @ApiOperation("根据条件查询套餐数据")
    @GetMapping("/list")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getId);

        List<Setmeal> list = setmealService.list(queryWrapper);

        return R.success(list);
    }

    /**
     * 根据id查询套餐
     * @param id
     * @return
     */
    @ApiOperation("根据id查询套餐数据")
    @GetMapping("/{id}")
    public R<SetmealDto> getById(@PathVariable("id") Long id){
        SetmealDto setmealDto = setmealService.getByIdWithDishes(id);
        if (setmealDto != null) {
            return R.success(setmealDto);
        }
        return R.error("未查询到匹配的菜品");
    }

    /**
     * 修改套餐
     * @param setmealDto
     * @return
     */
    @ApiOperation(value = "修改套餐")
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto){
        log.info(setmealDto.toString());

        setmealService.updateWithSetmealDishes(setmealDto);

        return R.success("修改菜品成功");
    }

    @ApiOperation(value = "批量起售、停售套餐（1=起售；0=停售）")
    @PostMapping("/status/{status}")
    public R<String> updateStatus(@PathVariable("status") int status,@RequestParam(value="ids" ) Long[] ids){

        log.info("修改套餐状态={},菜品id={}",status, ids);
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(Setmeal::getId,ids);
        List<Setmeal> list = setmealService.list(queryWrapper);
        list.stream().map((item) ->{
            item.setStatus(status);
            return item;
        }).collect(Collectors.toList());
        setmealService.updateBatchById(list);
        return R.success("套餐销售状态修改成功",null);
    }




}
